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The concept of detecting the underlying materials based on its signal strength with electrical and magnetic fields. Metal detectors are widely used in search of coins, treasure hunts, bomb detection, gold or metal locating. But most of us may not know it’s usage in medical field.
They are used in locating swallowed coins, metal replacement parts in the human body, any piece of metal or non digestive materials in the food passage or in the intestine for a quicker treatment purpose. They are not highly exposed to radiation. So it may not end up causing any radiation sickness to the patient. They are compact and light weight; doctors could easily handle the device for finding the exact location of the metal or coins inside human body. It does not require any special knowledge for handling. Anyone could easily operate it, there is no qualification or special diploma required to handle them. The design could be customized for specific search as in medical field; the required area of operation is known and predictable. They do not create any wait time to signal the location or type of the material inside a human body. They help in determining the exact location, type, size of the material to determine the type of medical procedures quickly.
They are real life saving devices. When kids play with coins accidentally there are times when they swallow coins. That may choke them and even lead to life loss. These metal detectors search for the right place in the body for its location and beeps alarm for the medical assistant. They could plan to invert the child upside down and pat on the back or surgically remove the coin as early as required to protect life and prevent other health issues. Up to date technology used in these appliances are of great use in medical field.